Circular of the Bureau of Standards, Masalah 24U.S. Government Printing Office, 1922 |
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Halaman 8
... construction and determination of the constant of a Gray absolute electrodynamometer and work done with the same in deter- mining the absolute value of the electromotive force of standard cells , assuming the international ohm . ( Later ...
... construction and determination of the constant of a Gray absolute electrodynamometer and work done with the same in deter- mining the absolute value of the electromotive force of standard cells , assuming the international ohm . ( Later ...
Halaman 13
... construction of Clark and Weston Standard Cells and for the preparation and purification of the materials employed , based in the main on the results obtained in an investigation on the reproducibility and constancy of both types ...
... construction of Clark and Weston Standard Cells and for the preparation and purification of the materials employed , based in the main on the results obtained in an investigation on the reproducibility and constancy of both types ...
Halaman 17
... construction of the instrument . ( June 2 , 1908. ) 6 pp . Price , 5 cents . S99 . Methods of Obtaining Cooling Curves . .G . K. Burgess The experimental methods available for obtaining cooling curves in thermal analysis with ...
... construction of the instrument . ( June 2 , 1908. ) 6 pp . Price , 5 cents . S99 . Methods of Obtaining Cooling Curves . .G . K. Burgess The experimental methods available for obtaining cooling curves in thermal analysis with ...
Halaman 21
... construction , on the scale of the platinum thermometer , when calibrated in ice , steam , and sulphur vapor ; comparison of this scale with the thermoelectric scale ; variations in thermometers caused by high temperatures ; differences ...
... construction , on the scale of the platinum thermometer , when calibrated in ice , steam , and sulphur vapor ; comparison of this scale with the thermoelectric scale ; variations in thermometers caused by high temperatures ; differences ...
Halaman 28
... construction , and the relation between the two is discussed . Some figures and photographs are also included . The different makes of instruments do not differ greatly from one another in design and performance . ( Mar. 1 , 1911. ) 22 ...
... construction , and the relation between the two is discussed . Some figures and photographs are also included . The different makes of instruments do not differ greatly from one another in design and performance . ( Mar. 1 , 1911. ) 22 ...
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Istilah dan frasa umum
15 cents absorption acid alloys alternating current ammonia analysis Annual reports antenna apparatus Baumé scale Bureau of Standards cadmium calorimeter carbon cell chemical circuits circular clays coaxial coils color commercial concrete condensers constant contains copper curves density described determined Director discussed E. B. Rosa effect electrical electrode electrolysis electromotive force emissivity error experimental formula frequency galvanometer given glass heat hysteresis instrument investigation iron June laboratory lamps linseed oil Louis Cohen magnetic materials mercury metal meters method molybdenite mutual inductance obtained oxide Paint paper gives photometric platinum Portland cement potentiometer Price properties pyrometer radiation reflection resistance resistance thermometer rubber samples scale self-inductance Sept shown silver sodium oxalate solutions specifications spectral spectrum steel tables temperature tests thermometers tion transmission tube tungsten units vanadium vapor various voltage voltameter W. W. Coblentz wave lengths weights and measures wire
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Halaman 14 - The 20° C temperature coefficient of a sample of copper is given by multiplying the number expressing the per cent conductivity by 0.00394.
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